Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/3099
Title: Measurement of prompt photon production in sNN=8.16 TeV p + Pb collisions with ATLAS
Authors: The ATLAS Collaboration
Sultansoy, Saleh
Keywords: Collisions
jets
jet quenching
Issue Date: 2019
Publisher: Elsevier B.V.
Source: ATLAS collaboration. (2019). Measurement of prompt photon production in sNN= 8.16 TeV p+ Pb collisions with ATLAS. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 796, 230-252.
Abstract: The inclusive production rates of isolated, prompt photons in p+Pb collisions at sNN=8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb−1 recorded in 2016. The cross-section and nuclear modification factor RpPb are measured as a function of photon transverse energy from 20 GeV to 550 GeV and in three nucleon–nucleon centre-of-mass pseudorapidity regions, (−2.83,−2.02), (−1.84,0.91), and (1.09,1.90). The cross-section and RpPb values are compared with the results of a next-to-leading-order perturbative QCD calculation, with and without nuclear parton distribution function modifications, and with expectations based on a model of the energy loss of partons prior to the hard scattering. The data disfavour a large amount of energy loss and provide new constraints on the parton densities in nuclei. © 2019 The Author
URI: https://www.sciencedirect.com/science/article/pii/S0370269319304885?via%3Dihub
https://hdl.handle.net/20.500.11851/3099
ISSN: 3702-693
Appears in Collections:Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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